diff -Nru google-cloud-print-connector-1.12/debian/changelog google-cloud-print-connector-1.12/debian/changelog
--- google-cloud-print-connector-1.12/debian/changelog	2017-07-31 08:46:37.000000000 +0000
+++ google-cloud-print-connector-1.12/debian/changelog	2020-01-16 17:24:12.000000000 +0000
@@ -1,3 +1,9 @@
+google-cloud-print-connector (1.12-1ubuntu1) focal; urgency=medium
+
+  * Fix FTBFS for recent CUPS whithout IPP private structures (LP: #1859685)
+
+ -- Rafael David Tinoco <rafaeldtinoco@ubuntu.com>  Thu, 16 Jan 2020 17:24:12 +0000
+
 google-cloud-print-connector (1.12-1) unstable; urgency=medium
 
   * add debian/watch
diff -Nru google-cloud-print-connector-1.12/debian/control google-cloud-print-connector-1.12/debian/control
--- google-cloud-print-connector-1.12/debian/control	2017-07-31 08:46:37.000000000 +0000
+++ google-cloud-print-connector-1.12/debian/control	2020-01-16 17:24:12.000000000 +0000
@@ -1,7 +1,8 @@
 Source: google-cloud-print-connector
 Section: net
 Priority: extra
-Maintainer: Debian Go Packaging Team <pkg-go-maintainers@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian Go Packaging Team <pkg-go-maintainers@lists.alioth.debian.org>
 Uploaders: Chuan-kai Lin <cklin@debian.org>,
            Debian Printing Team <debian-printing@lists.debian.org>,
            Michael Stapelberg <stapelberg@debian.org>
diff -Nru google-cloud-print-connector-1.12/debian/patches/series google-cloud-print-connector-1.12/debian/patches/series
--- google-cloud-print-connector-1.12/debian/patches/series	1970-01-01 00:00:00.000000000 +0000
+++ google-cloud-print-connector-1.12/debian/patches/series	2020-01-16 17:16:14.000000000 +0000
@@ -0,0 +1 @@
+workaround-for-no-_IPP_PRIVATE_STRUCTURES.patch
diff -Nru google-cloud-print-connector-1.12/debian/patches/workaround-for-no-_IPP_PRIVATE_STRUCTURES.patch google-cloud-print-connector-1.12/debian/patches/workaround-for-no-_IPP_PRIVATE_STRUCTURES.patch
--- google-cloud-print-connector-1.12/debian/patches/workaround-for-no-_IPP_PRIVATE_STRUCTURES.patch	1970-01-01 00:00:00.000000000 +0000
+++ google-cloud-print-connector-1.12/debian/patches/workaround-for-no-_IPP_PRIVATE_STRUCTURES.patch	2020-01-16 17:19:57.000000000 +0000
@@ -0,0 +1,122 @@
+Description: Workaround for no _IPP_PRIVATE_STRUCTURES in newer CUPS versions
+
+Header being introduced as a workaround for the lack of the
+_IPP_PRIVATE_STRUCTURES feature in latest CUPS versions. This
+header exposes some of the CUPS internal structures needed by
+the connector.
+
+Author: Rafael David Tinoco <rafaeldtinoco@ubuntu.com>
+Bug: https://github.com/google/cloud-print-connector/issues/476
+Bug-Ubuntu: https://launchpad.net/bugs/1859685
+Forwarded: https://github.com/google/cloud-print-connector/pull/477
+Last-Update: 2020-01-16
+
+--- /dev/null
++++ google-cloud-print-connector-1.12/cups/cups-private.h
+@@ -0,0 +1,94 @@
++#ifndef _CUPS_IPP_PRIVATE_H_
++#ifndef CUPS_CUPS_PRIVATE_H_
++
++#define CUPS_CUPS_PRIVATE_H_
++
++/*
++ * https://bugs.launchpad.net/bugs/1859685
++ *
++ * This header is a workaround for LP: #1859685 while the cloud-print-connector
++ * doesn't change its implementation to use the correct functions now that cups
++ * has deactivated the _IPP_PRIVATE_STRUCTURES workaround.
++ *
++ * This file contains parts of ipp-private.h from cups v2.3.1-7-g1f2a315c2
++ */
++
++typedef union _ipp_request_u
++{
++	struct
++	{
++		ipp_uchar_t version[2];
++		int op_status;
++		int request_id;
++	} any;
++	struct
++	{
++		ipp_uchar_t version[2];
++		ipp_op_t operation_id;
++		int request_id;
++	} op;
++	struct
++	{
++		ipp_uchar_t version[2];
++		ipp_status_t status_code;
++		int request_id;
++	} status;
++	struct
++	{
++		ipp_uchar_t version[2];
++		ipp_status_t status_code;
++		int request_id;
++	} event;
++} _ipp_request_t;
++
++typedef union _ipp_value_u
++{
++	int integer;
++	char boolean;
++	ipp_uchar_t date[11];
++	struct
++	{
++		int xres, yres;
++		ipp_res_t units;
++	} resolution;
++	struct
++	{
++		int lower, upper;
++	} range;
++	struct
++	{
++		char *language;
++		char *text;
++	} string;
++	struct
++	{
++		int length;
++		void *data;
++	} unknown;
++	ipp_t *collection;
++} _ipp_value_t;
++
++struct _ipp_attribute_s
++{
++	ipp_attribute_t *next;
++	ipp_tag_t group_tag, value_tag;
++	char *name;
++	int num_values;
++	_ipp_value_t values[1];
++};
++
++struct _ipp_s
++{
++	ipp_state_t state;
++	_ipp_request_t request;
++	ipp_attribute_t *attrs;
++	ipp_attribute_t *last;
++	ipp_attribute_t *current;
++	ipp_tag_t curtag;
++	ipp_attribute_t *prev;
++	int use;
++	int atend, curindex;
++};
++
++#endif /* CUPS_CUPS_PRIVATE_H_ */
++#endif /* _CUPS_IPP_PRIVATE_H_ */
+--- google-cloud-print-connector-1.12.orig/cups/cups.h
++++ google-cloud-print-connector-1.12/cups/cups.h
+@@ -19,6 +19,9 @@ https://developers.google.com/open-sourc
+ #include <sys/utsname.h> // uname
+ #include <time.h>        // time_t
+ 
++/* https://bugs.launchpad.net/bugs/1859685 */
++#include "cups-private.h"
++
+ extern const char
+ 	*JOB_STATE,
+ 	*JOB_MEDIA_SHEETS_COMPLETED,